Logging Monitoring

How to Write Advanced PowerShell Scripts for Windows Server 2019 Administration — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Write Advanced PowerShell Scripts for Windows Server 2019 Administration

Introduction to Advanced PowerShell Scripting for Windows Server 2019 Windows Server 2019 ships with PowerShell 5.1 by default, and PowerShell 7.x can be installed side-by-side. Advanced scripting on this platform goes well beyond one-liners. A professional administrator writes scripts that are modular, error-tolerant, self-documenting, and safe to run in production. This guide covers the patterns […]

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FreeBSD 12 — FreeBSD — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — FreeBSD — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: FreeBSD — Incorrect libcap_net limitation list manipulation Related CVEs: CAN-2005-2693 CAN-2005-3011 CVE-2003-0914 CVE-2003-0989 CVE-2003-1029 CVE-2004-0057 CVE-2004-0079 CVE-2004-0099  +12 more Upstream summary: Problem Description: In the case of the cap_net service, […]

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Gentoo Linux — dev-python/Levenshtein — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-python/Levenshtein — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202408-04 Upstream summary: Fixed handling of numerous possible wraparounds in calculating the size of memory allocations; incorrect handling of which could cause denial of service or even possible remote code execution. Table […]

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Common Problems 114909

RHEL 8 – GPG Signature Verification Fails for Enabled Repositories

🟡 Medium   ⏱ 5–30 min  Last verified: 6 December 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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Common Problems 112995

Windows Server 2016 – BitLocker recovery prompts after firmware updates – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 December 2019 Affected versions: Windows Server 2016 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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openSUSE Tumbleweed — httpie — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — httpie — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2019:2050-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-10751 Upstream summary: All versions of the HTTPie package prior to version 1.0.3 are vulnerable to Open Redirect that allows an attacker to write an […]

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How to Configure Secure Shell Daemon on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure Secure Shell Daemon on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure secure shell daemon on ibm aix 7.2 on […]

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FreeBSD 12 — gftp — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — gftp — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gftp — multiple vulnerabilities Related CVEs: CVE-2005-0372 CVE-2007-3961 CVE-2007-3962 Upstream summary: Gentoo reports: Kalle Olavi Niemitalo discovered two boundary errors in fsplib code included in gFTP when processing overly long […]

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How to Configure Nginx Virtual Hosts on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Nginx Virtual Hosts on FreeBSD 12

Introduction How to Configure Nginx Virtual Hosts on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]

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